40 CFR § 501.33 - Criteria for withdrawal of State programs.

---
identifier: "/us/cfr/t40/s501.33"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 501.33 - Criteria for withdrawal of State programs."
title_number: 40
title_name: "Protection of Environment"
section_number: "501.33"
section_name: "Criteria for withdrawal of State programs."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "O"
subchapter_name: "SEWAGE SLUDGE"
part_number: "501"
part_name: "STATE SLUDGE MANAGEMENT PROGRAM REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1251"
regulatory_source: "54 FR 18786, May 2, 1989, unless otherwise noted."
cfr_part: "501"
---


# 501.33 Criteria for withdrawal of State programs.

The criteria for withdrawal of sludge management programs shall be those set forth in 40 CFR 123.63.